--- a/scala/html1.scala	Sat Jun 15 09:11:11 2013 -0400
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,75 +0,0 @@
-
-
-//:load matcher.scala
-
-
-// some regular expressions
-val LETTER = RANGE("""ABCDEFGHIJKLMNOPQRSTUVXYZabcdefghijklmnopqrstuvwxyz.,!?-{[()]}':;%""")
-val DIGIT = RANGE("0123456789")
-val NONZERODIGIT = RANGE("123456789")
-
-val NAME = ALT(PLUS(LETTER), SEQS(PLUS(LETTER),"=", PLUS(LETTER)))
-val BTAG = SEQS("<", NAME, ">") 
-val ETAG = SEQS("</", PLUS(LETTER), ">")
-
-val WORD = PLUS(ALT(LETTER, DIGIT))
-val WHITESPACE = PLUS(RANGE(" \n"))
-
-// for classifying the strings that have been recognised
-abstract class Token
-case object T_WHITESPACE extends Token
-case class T_WORD(s: String) extends Token
-case class T_ETAG(s: String) extends Token
-case class T_BTAG(s: String) extends Token
-case class T_NT(s: String, rhs: List[Token]) extends Token
-
-def tokenizer(rs: List[Rule[Token]], s: String) : List[Token] = 
-  tokenize(rs, s.toList)
-
-
-
-// lexing rules for arithmetic expressions
-val lexing_rules: List[Rule[Token]]= 
-  List((BTAG, (s) => T_BTAG(s.mkString)),
-       (ETAG, (s) => T_ETAG(s.mkString)),
-       (WORD, (s) => T_WORD(s.mkString)),
-       (WHITESPACE, (s) => T_WHITESPACE))
-
-val ts = tokenize_file(lexing_rules, "test.html")
-
-
-val WIDTH = 60
-
-def is_tag(t: Token) = t match {
-  case T_BTAG(_) => true
-  case T_ETAG(_) => true
-  case _ => false
-}
-
-def interpret(ts: List[Token], c: Int, ctr: List[String]) : Unit= ts match {
-  case Nil => println(Console.RESET)
-  case T_WHITESPACE::rest => print(" "); interpret(rest, c + 1, ctr)
-  case T_WORD(s)::rest => {
-    val newc = c + s.length
-    val newstr = Console.RESET + ctr.reverse.mkString + s
-    if (newc < WIDTH) {
-      print(newstr);
-      interpret(rest, newc, ctr)
-    }
-    else {
-      print("\n" + newstr)
-      interpret(rest, s.length, ctr)
-    } 
-  }
-  case T_BTAG("<p>")::rest => print("\n"); interpret(rest, 0, ctr)
-  case T_ETAG("</p>")::rest => print("\n"); interpret(rest, 0, ctr)
-  case T_BTAG("<b>")::rest => interpret(rest, c, Console.BOLD :: ctr)
-  case T_BTAG("<A>")::rest => interpret(rest, c, Console.UNDERLINED :: ctr)
-  case T_BTAG("<cyan>")::rest => interpret(rest, c, Console.CYAN :: ctr)
-  case T_BTAG("<red>")::rest => interpret(rest, c, Console.RED :: ctr)
-  case T_BTAG("<blink>")::rest => interpret(rest, c, Console.BLINK :: ctr)
-  case T_ETAG(_)::rest => interpret(rest, c, ctr.tail)
-  case _::rest => interpret(rest, c, ctr)
-}
- 
-interpret(ts, 0, Nil)